BLACKROCK INC (BLK) Institutional Ownership

BLK is currently held by 6 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $1.01B based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is ValueAct Holdings, which reported ownership valued at approximately $525.19M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, ValueAct Holdings's BLK position is now estimated to be worth approximately $554.47M, representing an estimated gain of +5.58% since the filing period.

Major shareholders tracked on this page include ValueAct Holdings, Cantillon Capital Management, Sequoia Financial Advisors, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks disclosed ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward BLACKROCK INC (BLK).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20266$1,010,886,7931,051,135
Q4 20258$1,350,287,1161,261,502
Q3 20258$1,371,059,6311,176,013
Q2 20256$786,527,909749,609
Q1 20255$475,892,751502,802
Q4 20245$522,443,995509,646
Q3 20244$485,996,515511,840
Q2 20246$439,491,026558,212
Q1 20246$416,613,518595,645
Q4 20236$417,309,918554,714
Q3 20234$326,394,425504,872
Q2 20236$347,923,976516,193

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